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Lost MAC Addresses

Hi all.
When a system (room) first registers with RMS, it populates the MAC Address field in the database correctly, but I've noticed that over time, some (not all) MAC Addresses change to 'Unknown'.

It happened with v2.2, v3.0 and now v3.1, but I never paid much attention to when or how it changed. However, when building a new system recently, I noticed that it changed after a Netlinx firmware upgrade. Sure enough the MAC field in the tblNetLinxSystems in the database changed to 'Unknown'. Possibly co-incidental but seems a likely culprit.

No big deal to re-enter the MAC address once, but a real pain if you have to do it after every firmware upgrade. And where there are 200+ rooms in the system!

A bug in there somewhere?

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